20653140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3217}}^1$

素因数の和:3336

約数の個数: 48

約数和(自身を含む): 58387392

約数和(自身を除く): 37734252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3217, 6420, 6434, 9651, 12868, 16085, 19302, 32170, 38604, 48255, 64340, 96510, 193020, 344219, 688438, 1032657, 1376876, 1721095, 2065314, 3442190, 4130628, 5163285, 6884380, 10326570, 20653140]

約数ペア:

[(1, 20653140), (2, 10326570), (3, 6884380), (4, 5163285), (5, 4130628), (6, 3442190), (10, 2065314), (12, 1721095), (15, 1376876), (20, 1032657), (30, 688438), (60, 344219), (107, 193020), (214, 96510), (321, 64340), (428, 48255), (535, 38604), (642, 32170), (1070, 19302), (1284, 16085), (1605, 12868), (2140, 9651), (3210, 6434), (3217, 6420)]